Quick answers
- Which hospitals does Warren Linnerooth work at?
- Medicare's official clinician data lists Warren Linnerooth at 4 hospitals: Ascension Sacred Heart Bay, Ascension Sacred Heart Gulf, Coastal Carolina Hospital and Mercy Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Warren Linnerooth see patients?
- Medicare's clinician data lists 4 practice locations, including Springfield, MA, Port St Joe, FL and Pensacola, FL. Call before your visit to confirm the address.
- What is Warren Linnerooth's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Warren Linnerooth accept Medicare assignment?
- Yes. Medicare's clinician data says Warren Linnerooth accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Warren Linnerooth?
- (413) 748-9000, as listed in official Medicare / NPI Registry data.
- What is Warren Linnerooth's NPI number?
- 1346700374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Warren Linnerooth works
Medicare's Facility Affiliation Data lists Warren Linnerooth at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Sacred Heart BayPanama City, FL · Acute Care Hospital · CCN 100026
- Ascension Sacred Heart GulfPort Saint Joe, FL · Acute Care Hospital · CCN 100313
- Coastal Carolina HospitalHardeeville, SC · Acute Care Hospital · CCN 420101
- Mercy Medical CtrSpringfield, MA · Acute Care Hospital · CCN 220066
Practice locations
Addresses where Warren Linnerooth is enrolled with Medicare (CMS data updated 2026-10-02).
- 271 Carew StSpringfield, MA 01104 (413) 748‑9000
- 3801 E Hwy 98, VituityPort St Joe, FL 32456 (850) 229‑5600
- 5151 N 9th Ave, VituityPensacola, FL 32504 (850) 416‑7000
- 6420 Clayton RdRichmond Heights, MO 63117 (314) 768‑8000
Group practices
Medicare enrollment lists Warren Linnerooth as a member of these groups (CMS data updated 2026-10-02).
- Cep America LLC1,023 clinicians in the group
- Vituity-Massachusetts PLLC46 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346700374 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians